A multiphase harmonic load flow solution technique

TitleA multiphase harmonic load flow solution technique
Publication TypeJournal Article
Year of Publication1991
AuthorsXu, W., J. R. Marti, and H. W. Dommel
JournalPower Systems, IEEE Transactions on
Pagination174 -182
Date Publishedfeb.
Keywordsequivalent circuits, harmonics, iterative methods, linear network solutions, load flow, multiphase harmonic load flow, nonlinear devices, Norton equivalent circuits, power system analysis computing, power systems, static VAr compensators, thyristor applications, thyristor-controlled reactors

The operation of nonlinear devices under unbalanced load conditions may cause harmonic problems in power systems. A computer-based multiphase harmonic load flow solution technique for analyzing such problems is described. The harmonic load flows are obtained from iterations between the Norton equivalent circuits of the nonlinear elements and the linear network solutions at harmonic frequencies. Harmonics generated by static VAr compensators with thyristor-controlled reactors under unbalanced load conditions are used to illustrate the method


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